WO2012025438A1 - Procédé pour faire fonctionner un laminoir pour laminer des produits plats à laminer avec pronostic de l'usure des cylindres - Google Patents

Procédé pour faire fonctionner un laminoir pour laminer des produits plats à laminer avec pronostic de l'usure des cylindres Download PDF

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Publication number
WO2012025438A1
WO2012025438A1 PCT/EP2011/064153 EP2011064153W WO2012025438A1 WO 2012025438 A1 WO2012025438 A1 WO 2012025438A1 EP 2011064153 W EP2011064153 W EP 2011064153W WO 2012025438 A1 WO2012025438 A1 WO 2012025438A1
Authority
WO
WIPO (PCT)
Prior art keywords
roller
wear
rolling
actual
expected
Prior art date
Application number
PCT/EP2011/064153
Other languages
German (de)
English (en)
Inventor
Johannes Dagner
Friedemann Schmid
Gerald Hohenbichler
Robert Andrew Shore
Andreas Jungbauer
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to PL11748920T priority Critical patent/PL2588257T3/pl
Priority to EP11748920.3A priority patent/EP2588257B1/fr
Priority to CN201180041473.0A priority patent/CN103079721B/zh
Publication of WO2012025438A1 publication Critical patent/WO2012025438A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2267/00—Roll parameters
    • B21B2267/24—Roll wear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby

Definitions

  • the present invention relates to an operating method for a rolling mill for rolling flat rolled stock, which has at least one roll stand with rolls,
  • an expected actual wear of the at least one roll is determined by means of a wear model on the basis of the actual sizes recorded during the previous roll travel of the respective roll.
  • the present invention further relates to a computer program comprising machine code which can be processed directly by a control computer for a rolling mill for rolling flat rolled stock and whose execution by the control computer causes the control computer to operate the rolling mill according to such an operating method.
  • the present invention further relates to a control computer for a rolling mill for rolling flat rolled stock, wherein the control computer is designed such that it operates the rolling mill according to such an operating method.
  • the present invention further relates to a rolling mill for rolling flat rolled stock, which is equipped with such a control computer.
  • the abovementioned objects are known, for example, from JP 04 017 920 A.
  • wear occurs on the rolls of the rolling stands.
  • the extent to which wear occurs depends on various parameters. For example, the degree of wear depends on the type of rollers (work roll, backup roll,...), The type of rolling (cold rolling or hot rolling), the arrangement of the rolls in the rolling mill (first, second, third stand of the rolling mill, etc.). ), the Ma ⁇ TERIAL of the rolled material (steel, aluminum, copper, ...), the Ma ⁇ TERIAL speed steel of the rolls (cast iron, cast steel, high performance, ...) from, etc..
  • the wear has an impact on the quality of gewalz ⁇ th flat rolled material.
  • the wear caused by corresponding rake corrections must - are taken into account and compensated for if possible, please ⁇ friendliness - optionally also in terms of profile and flatness.
  • the rollers must be changed from time to time and reground.
  • a direct measurement of the roller wear is only possible if the relevant roller is removed from the rolling stand and can be measured.
  • a direct measurement of the roll wear is, however, not mög ⁇ Lich.
  • the wear model is determined depending on the rolled distance of the rolling stock, the course of the rolling force over this distance, etc. of the expect ⁇ ended current wear of the respective roller.
  • the wear model provides the determined expected present wear to other control systems, for example for the corresponding correction of the employment.
  • Another problem is that a roll change is not possible or useful at any time, but only between two successive flat rolled goods.
  • the object of the present invention is to create possibilities to be able to predict a future wear at least one roll of the roll stand of the rolling mill on reliabil ⁇ SiGe manner.
  • the expected future actual wear and / or at least one information derived from the ⁇ sen values are provided to an operator of the rolling mill.
  • a fixed location of future roll travel such as the end of the flat rolled stock to be rolled next, and to determine the expected future actual wear at that location.
  • a defined reference wear can be predetermined and determined at which location the future
  • Vorzugswei ⁇ se is, however, provided that for a variety of places in the future rolling travel of at least determines a roll each of the expected zukünf ⁇ term Istverschl employ and that the expected future Istverschl formulate the Be ⁇ servant of the mill as a function of the location of the future rolling travel or vice versa.
  • the at least one location for which the expected future actual wear is determined is compared with a reference location and / or the expected future actual wear determined for the at least one location is compared with a reference wear and that it is decided depending on the comparison, whether a change of the at least one roller is to be performed or whether the rolling of the flat rolled material is continued.
  • the correction amount determiner determines at least a correction amount based on a comparison of the expected current Istverschl composedes and did ⁇ extraneous Istverschl composedes and
  • the correction amount determiner adapted the wear model based on the at least one correction amount, so that after compensating for the wear model in the determination of anticipated current and / or expected future Istverschl supplementen the at least one Korrekturgrö ⁇ SSE is considered.
  • the actual data characterizing the actual actual wear are preferably fed to the correction quantity determiner from a grinding shop for the at least one roller and / or automatically.
  • the correction variable Determined ⁇ ler considered when determining the at least one correction variable only the expected current Istverschl formulate and actual Istverschl formulate in the middle of at least one roller.
  • the correction variable investigators in identifying the at least one correction value in addition to the expected current Istverschl formulate and actual Istverschl off the center of at least one roll - example ⁇ , as a function over the roll width - considered.
  • the adaptation of the wear model can be made to ⁇ reliably especially if the is to remove the at least one roller rolled flat rolled product decided on the basis of the characteristics, whether and in what form the wear adapting the model is carried out or not.
  • the adaptation can be suppressed who, ⁇ when different materials or special, otherwise rarely used materials are rolled so that a Adapting would be unreliable.
  • a material-specific adaptation can take place.
  • the wear model is preferably assigned to the respective roller individually.
  • the at least one roll may alternatively be incorporated into one of a plurality of rolling mills of the rolling mill. In this case, preference is given in the wear model into which of the rolling stands the roll is installed.
  • the mill stand in which the at least one roller is installed, at least one other roll stand of the rolling mill upstream.
  • the same type of roller is always built into the other rolling stand.
  • another roller of one of at least two types may alternatively be incorporated in the other rolling stand.
  • the wear model preferably taken into ⁇ into account which type is installed scaffold of other rollers in the other rolling.
  • the wear model takes into account a temperature of the rolls and / or the flat rolling stock in determining the expected current and / or future actual wear.
  • the inventive object is also achieved by a Compu ⁇ terprogramm of the type mentioned.
  • the computer program is designed in this case such that the
  • Control computer performs an operating method with all steps of an operating method according to the invention.
  • the object is further achieved by a control computer for a rolling mill for rolling flat rolling stock, which is designed such that it executes such operating ⁇ method during operation.
  • the object is further achieved by a rolling mill for rolling flat rolling stock, which is equipped with such a Steuerrech ⁇ ner.
  • FIGS. 7 and 8 are flowcharts
  • FIGS 12 and 13 diagrams. 1 shows a rolling mill for rolling flat rolled stock
  • the rolling stands 2 are run through by the flat rolling stock 1 in succession. Every rolling stand
  • rollers 3 Include the rollers 3 to ⁇ least work rolls, often more rollers, game as examples support rollers or - in addition to back-up rolls - intermediate rolls.
  • the number of rolling mills 2 of the rolling mill shown is purely exemplary. Minimal is only a single stand 2 available. Furthermore, it is not mandatory that a tape ⁇ running direction x, as shown in Figure 1, is always the same. Alternatively, a reversing rolling could take place, in particular if the rolling mill has only one single rolling stand 2 or only two rolling stands 2.
  • the flat rolled stock 1, which is rolled in the rolling mill, is a strip as shown in FIG. Alternatively it can However, be another flat rolling stock 1, in ⁇ example, a plate or a heavy plate.
  • the rolling mill is equipped with a control computer 4 which controls the rolling mill.
  • the control computer 4 is usually designed as a software programmable device. We ⁇ The effect of the control computer 4 is therefore determined by a Compu ⁇ terprogramm 5, the control computer 4 via a computer-computer connection (not shown) or a storage medium 6 is supplied. Also, the storage medium 6, the computer program 5 in machine-readable form - usually in electronic form - stored.
  • the storage medium 6 is formed according to FIG 1 as a USB memory stick. This Ausgestal ⁇ tion is purely exemplary. Any other configurations of the storage medium 6 are possible, for example as a CD-ROM or as an SD memory card.
  • the control computer 4 is programmed with the computer program 5.
  • the computer program 5 includes machine code 7, which is directly executable by the control computer 4.
  • the execution of the machine code 7 defines the function of the STEU ⁇ errechners. 4
  • the processing of the machine code 7 by the control computer 4 causes the control computer 4 to operate the rolling mill in accordance with an operating method which will be explained in more detail below in conjunction with FIG.
  • the Pro ⁇ programming of the control computer 4 to the computer program 5 thus causes the corresponding configuration of the control computer 4.
  • the present invention is in principle applicable to all rolls 3 of the roll stands. 2 Of particular importance is the application in the work rolls of the rolling stands 2.
  • the present invention will be further explained below in connection with the upper work roll 3 of the third rolling stand 2 in FIG. However, this definition is purely arbitrary.
  • the present invention is applicable in an analogous manner to each other ⁇ de roller 3 of each rolling mill. 2
  • the control computer 4 receives to ⁇ expected future actual values for at least one future flat to be rolled rolling stock 1 in a step Sl.
  • These actual variables are, for example, stitch plan data or data of a flat rolling stock 1 which has already been rolled and has similar properties to the flat rolled stock 1 to be rolled in the future.
  • the rolling of that flat rolling stock 1, the expected future actual sizes of the control computer 4 receives in step Sl, so has not yet begun.
  • the stitch plan data may be the data of a single flat rolled stock 1. Alternatively, it may be the stitch plan data for several flat rolled products 1.
  • the accepted stitch plan data may be the data of the flat rolled stock 1 to be rolled next. Alternatively, it may be the data of a flat rolled stock 1 to be rolled after the flat rolled stock 1 to be rolled next. In this last-mentioned case, after execution of step S1, the control computer 4 generally knows the turn-key data of all flat rolled products 1 which are to be rolled in advance.
  • the flat rolled goods a, b and c have already been rolled.
  • the flat rolling stock d is currently being rolled.
  • the control computer 4 can take the turntable data of the flat rolling stock e.
  • the control computer 4 - for example - in step SI take the stitch plan data of the flat rolled g and h.
  • the control computer 4 is generally already aware of the turn-key data of the flat rolled goods e and f which have not yet been rolled.
  • the pass schedule data include, for a setting of the mill with which the respective flat rolled material 1 rolled ⁇ the target, for example, the desired pass reductions.
  • the stitch plan data also includes data of the flat rolling stock 1, such as its width and its temperature Tempe ⁇ and expected rolling conditions such as rolling force and rolling moment.
  • a step S2 the control computer 4, based on an expected present actual wear V, determines an expected future actual wear V for at least one location P of the future roller travel.
  • the determination of the step S2 is carried out by means of a wear model 8 of the roll 3 on the basis of the stitch plan data of future flat rolled stock 1 to be rolled.
  • the wear model 8 is known as such. For example, it may be the same model that is used in the prior art to continuously determine the expected current actual wear V.
  • roll travel is familiar to any person skilled in the art, and these are the individual lengths of the various flat rolled goods 1 which have already been rolled by means of the considered roll 3 and - in the future roll travel - are still being rolled figuratively, as if the flat rolled stock 1 were to stand still in the nip of the rolling stand 2 in which the considered roll 3 was installed and the corresponding rolling stand 2 would move along the flat rolled stock 1 during rolling each reversing the counting direction switched accordingly, so that the rolled length is a monotonically increasing function of time.
  • flat rolled stock to be rolled in the future furthermore has in connection with step S2 the meaning of the entire flat rolled stock 1 which has not yet been rolled.
  • expected current actual wear is analogously applied to the entire already rolled flat rolled stock 1 , An example:
  • the control computer 4 provides at least one piece of information to an operator 9 of the rolling mill, optionally upon request by the operator 9.
  • the control computer 4 - see FIG 3 - Show the operator 9 that future Istverschl impart V is expected to ei ⁇ nem predetermined location P of future rolling travel.
  • the predetermined future location P can be fixed in this case, for example, the control computer 4 or the control computer 4 by the operator 9 can be specified.
  • information is sent to the operator.
  • ner 9 is output, at which point P of the future roll trip a predetermined future actual wear V is expected.
  • the predetermined future actual wear V can be predetermined to the control computer 4 in this case, for example, or predetermined by the operator 9. It is also possible to display other information derived from these values. For example, the control computer 4 can issue an alarm message if a predetermined reference wear is exceeded at the end of the flat rolled stock 1 to be rolled next. This will be explained in more detail later in connection with FIGS. 7 and 8. Also, the control computer 4, for example, a maximum allowable width for future to be rolled flat rolling 1 determine and spend.
  • step S4 the control computer 4 checks whether - with respect to the roller 3 considered - a roll change is performed. If this is the case, the roll change is performed in a step S5.
  • the step S5 is shown in dashed lines in Figure 2, because the roll change itself - ie the removal of the previously used roller 3 and the installation of another roller 3 - Although in the process of FIG 2 must be considered, but not performed by the control computer 4 as such becomes.
  • step S6 the control computer 4 initializes the wear model 8. Furthermore, in step S6, the control computer 4 sets the current expected actual wear V to an initial state, for a new or reground roll 3, for example to the value zero, otherwise to a corresponding, nonzero Value.
  • step S7 the control computer 4 controls the rolling mill. This causes (among other things) that the flat rolling stock 1 is rolled in the rolling stand 2 of the rolling mill considered.
  • I actual variables of the flat rolling material 1 and / or of the roll stand 2 are detected. For example, the rolling force, the rolling torque, the strip tension before and / or behind the considered rolling stand 2, an incoming and / or an outgoing strip thickness, a roll gap, etc. can be detected.
  • the control computer 4 receives the detected actual variables I in a step S8.
  • the control computer 4 stores the
  • step S10 the control computer 4 determines the (new) expected current actual wear V. The control computer 4 then proceeds to a step Sil. In step S, the control computer 4 checks whether it has new schedule data for
  • step S10 the new expected current actual wear V of the considered roller 3.
  • the control computer 4 starts from the already given actual wear V of the considered roller 3, determined by means of the wear model 8 an incremental wear increase 5V for the respective execution of step S7 and adds the incremental wear increase 5V to the already existing actual wear V.
  • the result corresponds to the new expected present actual wear V. Due to the procedure described, the expected current actual wear V, starting from the initial state of the considered roll 3, is gradually summed up by the respective incremental wear increases 5V determined.
  • the control computer 4 determines the ER waiting present Istverschl composition V, starting from the initial state of the considered ⁇ roller. 3
  • the incremental wear increases 5V are determined by means of the wear model 8.
  • the expected zukünf ⁇ term Istverschl composition V is determined by means of the wear model. 8
  • the wear Model 8 can be made to these two Zwe ⁇ CKEN as a uniform wear model. Thus, one and the same wear model 8 are used both for ⁇ He mediation of the expected current Istverschl composedes V as well as to determine the expected future Istverschl composedes V.
  • the wear model 8 may comprise two mutually different sub-models, wherein said is a partial models to identify it ⁇ waited current Istverschl composedes V and the other part ⁇ model to determine the expected future Istverschl composedes V was used. Regardless of which of these two approaches is taken, however, the incremental increase in wear 5V is determined by means of the wear model 8 on the basis of the actual variables I detected and received by the control computer 4.
  • the control computer 4 for the determination of the expected current Istverschl constitutes V in addition to the actual sizes I take into account plan data for the currently rolled flat rolling stock 1, for example, the width of the currently rolled flat rolled stock 1.
  • plan data for the currently rolled flat rolling stock for example, the width of the currently rolled flat rolled stock 1.
  • a detected actual size has priority over I ei ⁇ ner given from the pass schedule corresponding size, and that at least the rolling force is detected.
  • the control computer 4 thus determines the expected present actual wear V on the basis of the actual variables I detected during the previous roller travel of the roller 3 considered.
  • FIG. 5 shows a preferred embodiment of steps S2 and S3 of FIG. 2.
  • the control computer 4 provides the operator 9 of the rolling mill with the expected future actual wear V as a function of the location P of the future roll travel of the considered roll 3 (or vice versa).
  • the STEU ⁇ errechner 4 may have a corresponding table or graph correspond ⁇ de - see for example FIG 6 - to give to the operator 9 from ⁇ .
  • 7 shows a further possible embodiment of steps S2 and S3 of FIG. 2. The embodiment of FIG. 7 can be implemented as an alternative or in addition to the embodiment of FIG.
  • the control computer 4 is given a predetermined future actual wear V to be expected.
  • the control computer 4 in a step S31 those location P of future rolling travel for which this future actual ⁇ wear-V is expected.
  • the place P determined is compared in egg ⁇ nem step S32 with a reference location P *, game as examples the end of the next to be rolled flat rolling material 1, whose top is not yet at this time rolled in the rolling mill.
  • the control computer 4 or the operator 9 can make the comparison of the step S32.
  • the reference location P * can be fixed to the control computer 4 or specified by the operator 9. The same applies to the predicted expected future actual wear V.
  • step S34 will, of course, be performed by the operator 9 of the rolling mill carried out.
  • the control computer 4 can support or initiate the execution of the step S34 by issuing a corresponding request.
  • steps S31 and S32 may be replaced by steps S41 and S42.
  • the control computer 4 is fixed the location P of the future roll travel, for which the expected future actual wear V is determined.
  • the control computer 4 determines in step S41 the future actual wear V to be expected for this location P.
  • step S42 the ermit ⁇ Telte expected future Istverschl fabricat V is compared with a re ⁇ ference wear V *.
  • the rollers 3 of the rolling mill must be changed from time to time. If the - worn - roller 3 is removed, a different - usually unverschlis ⁇ sene - roll 3 is installed as a replacement for the removed roll 3 immediately, which - was provided from a bearing 10 - see FIG 9 - shortly before. The removed roll 3 is brought into a grinding shop 11, reground, ver ⁇ measured and then spent in the warehouse 10.
  • each roller 3 is assigned its respective wear model 8 (or at least corresponding parameterizations of the wear model 8) individually.
  • the respective Ver ⁇ schl composemodell 8 (or the corresponding parameters) follow so to speak, of the respective roller 3 on its way from the rolling mill in the grinding shop 11, from there to warehouse 10 and from there back to the rolling mill.
  • the wear model 8 is initialized during a roll change (see the step S6 in FIG. 2).
  • the initialization can be configured, for example, as will be explained in more detail below in conjunction with FIG.
  • the control computer 4 receives Therefore, according to FIG 10 in a step S51, information on the installation location of the newly installed roller 3 against.
  • the control computer 4 then parameterizes the wear model 8 for the newly installed roller 3 accordingly. In the wear model 8 is therefore taken into account in which of the rolling stands 2, the roller 3 is installed.
  • the rollers 3 of the rolling stands 2 can furthermore belong to different types with respect to their material and surface properties. As a rule, the same type of roller 3 is always installed in a specific one of the rolling stands 2. In some cases, however, the type can vary.
  • a roll could be made from the surface material "high-speed steel” (HSS) or from the surface material “high-chromium cast iron” (HC) or from the surface material "shell-hard casting".
  • HSS high-speed steel
  • HC high-chromium cast iron
  • shell-hard casting it has been found that the wear of a roll 3 can also depend on which type of roll 3 is in the directly upstream rolling mill. 2 is installed.
  • control computer 4 therefore preferably receives information about the type of at least one roller 3 of the upstream rolling stand 2 and, in a step S 54, parameterizes the wear model 8 accordingly.
  • the wear model 8 can therefore be taken into ⁇ into account which type is built of rollers 3 in the upstream roll stand. 2
  • the control computer 4 accepts the actual data I 'according to FIG. 11 in a step S61. It determines therefrom in a step S62 the actual actual wear VE.
  • the control computer 4 compares the actual actual wear VE with the expected current actual wear V, that is, the expected current actual wear V accumulated until the removal of the roller 3.
  • the control computer 4 determines at least one correction quantity K for the wear model 8 based on the comparison.
  • the control computer 4 adapts the wear model 8 on the basis of the at least one correction variable K. After adapting the wear model 8 - ie when the associated roller 3 is again installed in a rolling stand 2 of the rolling mill - the control computer 4 therefore takes into account the determination of expected current and / or anticipated future Istverschl fabricaten V, V is at least one Korrekturgrö ⁇ SSE K.
  • the Adap ⁇ animals of the wear model 8 is always and unconditionally. However, this is not mandatory. Rather, preferably only a conditional adaptation of the wear model 8 takes place. In this case, the control computer 4 checks whether the adaptation should be made or not. For this purpose, the control computer 4 determines the value of a logical variable OK in a step S65. The value of the logical variable OK is retrieved in a step S66. Depending on the value of logi ⁇ rule variables OK, steps S63 and S64 executed or skipped. Alternatively to skipping the
  • Steps S63 and S64 it is also possible that the control computer 4 outputs a corresponding warning to the operator 9 of the rolling mill or another person.
  • the steps S63 and S64 are executed only if the control computer 4 is externally specified by a human an explicit corresponding statement.
  • the control computer 4 determines the value of the logical variable OK preferably on the basis of the properties of the flat rolled products 1, which - of course since the installation of the considered roll 3 - were rolled until their removal from the considered roll 3.
  • the adaptation can be suppressed if special materials - for example silicon steels - have been rolled.
  • the adaptation may for example only be allowed if predominantly a predetermined type of material - have been rolled or when a rolled material mix within predetermined percentage is (for example, at least 60% carbon steel, 20% to 30% stainless steels and more than 10 - in ⁇ game as carbon steels % Silicon steels).
  • Gegebe ⁇ appropriate can be carried out according rolled material inside the wear model 8 also Un ⁇ terscheidung. In In this case, a material-dependent adaptation can be performed.
  • control computer 4 In order to adapt the wear model 8, ie the determination of the at least one correction variable K (step S63 in FIG. 11), it is possible in the simplest case according to FIG. 12 that the control computer 4 exclusively uses the actual actual wear VE and the expected actual wear V in the middle of FIG considered roller 3 considered. Alternatively, it is 13, according to FIG, that the control computer 4 also takes into account also at least one actual Istverschl formulate VE and the corresponding expected current Istverschl formulate V at least one point of the considered Wal ⁇ ze 3, which lies outside the center of the considered roll. 3 The control computer 4 may even consider the wear V, VE as a function of roll width
  • the adaptation of the wear model 8 does not necessarily have to be carried out by the control computer 4.
  • the adaptation can also be performed by another device.
  • the expected amount of wear V must be supplied to the other device as well.
  • the control ⁇ computer 4 makes the adaptation, this is not necessary, since the control computer 4 has itself determined the expected current wear V, so know him.
  • at least the rolling forces enter into the determination of the expected present and / or expected future actual wear V, V.
  • the speed of the rolling process and the roll diameter can be included in the said actual wear V, V.
  • the wear model 8 in the determination of said actual wear V, V also take into account a temperature of the rollers 3 and / or the flat rolling stock 1.
  • the present invention has many advantages.
  • the prediction accuracy of the expected current Istverschl devises V is maintained over the entire service life of the mill or even it is ⁇ increased.
  • the roller life ie the time between ⁇ rule installation and removal of the rollers 3 can be optimized.
  • the quality of the rolled flat rolled stock 1 can be optimized.

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  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)

Abstract

L'invention concerne un laminoir pour laminer des produits plats à laminer (1), comportant au moins une cage de laminoir (2) pourvue de cylindres (3). Le produit plat à laminer (1) est laminé dans la cage de laminoir (2). Lors du laminage du produit plat à laminer (1) dans la cage de laminoir (2), des grandeurs réelles (I) du produit plat à laminer (1) et/ou de la cage de laminoir (2) sont détectées. A partir d'un état initial d'au moins un cylindre (3) de la cage de laminoir (2), une usure réelle courante prévue (V) du ou des cylindres (3) est déterminée au moyen d'un modèle d'usure (8) sur la base des grandeurs réelles détectées (I) lors du parcours passé du cylindre respectif (3). A partir de l'usure réelle courante prévue (V), une usure réelle future prévue (V') du ou des cylindres est déterminée au moyen du modèle d'usure (8) sur la base de grandeurs réelles futures prévues pour des produits plats à laminer (1) futurs, pour au moins un endroit (P) du parcours futur du cylindre. L'endroit (P) du parcours futur du cylindre, l'usure réelle future prévue (V') et/ou au moins information dérivée de ces valeurs sont mis à disposition d'un opérateur (9) du laminoir.
PCT/EP2011/064153 2010-08-27 2011-08-17 Procédé pour faire fonctionner un laminoir pour laminer des produits plats à laminer avec pronostic de l'usure des cylindres WO2012025438A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL11748920T PL2588257T3 (pl) 2010-08-27 2011-08-17 Sposób pracy walcarki do walcowania płaskich materiałów walcowanych, obejmujący prognozowanie zużycia walca
EP11748920.3A EP2588257B1 (fr) 2010-08-27 2011-08-17 Procédé pour faire fonctionner un laminoir pour laminer des produits plats à laminer avec pronostic de l'usure des cylindres
CN201180041473.0A CN103079721B (zh) 2010-08-27 2011-08-17 具有轧辊磨损预测功能的用于轧制平坦的轧件的轧机的运行方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP10174297.1 2010-08-27
EP10174297A EP2422893A1 (fr) 2010-08-27 2010-08-27 Procédé de fonctionnement d'un laminoir destiné à laminer des produits de laminage plats à l'aide d'un pronostic d'usure des produits à laminer

Publications (1)

Publication Number Publication Date
WO2012025438A1 true WO2012025438A1 (fr) 2012-03-01

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PCT/EP2011/064153 WO2012025438A1 (fr) 2010-08-27 2011-08-17 Procédé pour faire fonctionner un laminoir pour laminer des produits plats à laminer avec pronostic de l'usure des cylindres

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EP (2) EP2422893A1 (fr)
CN (1) CN103079721B (fr)
PL (1) PL2588257T3 (fr)
WO (1) WO2012025438A1 (fr)

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Publication number Priority date Publication date Assignee Title
EP3358431A1 (fr) 2017-02-07 2018-08-08 Primetals Technologies Austria GmbH Planification intégrée des plans de la production et / ou les plans de service
DE102020206477A1 (de) 2020-05-25 2021-11-25 Sms Group Gmbh Wartungsplanungssystem, Verfahren und Computerprogramm zur Bestimmung von Wartungsmaßnahmen für eine Produktionsanlage, insbesondere einer Produktionsanlage der metallerzeugenden Industrie, der nicht-Eisen- oder Stahlindustrie oder der Vorlegierungsherstellung

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CN103079721B (zh) 2015-10-21
CN103079721A (zh) 2013-05-01

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